New Jersey can't block Kalshi, court rules

New Jersey can't block Kalshi's prediction market. A three-judge panel of the 3rd U.S. Circuit Court of Appeals ruled on Monday that the state lacks authority to regulate Kalshi's platform, which lets people bet on the outcomes of events, including sports. The decision centers on federal jurisdiction: the panel found that regulation is reserved for the Commodity Futures Trading Commission, not state gaming authorities.

The ruling clarifies a tangled split between state regulators and federal oversight in a niche that has moved quickly from novelty to real-world trading. Kalshi and its peers sit at the crossroads of financial markets, gambling law, and political signaling, and the court’s decision effectively keeps the door open for Kalshi to operate in New Jersey while the CFTC maintains the federal leash. The CFTC is led by Michael Selig, a Trump appointee who has publicly framed prediction markets as “exciting products” worthy of a clear federal framework. The political currents surrounding Kalshi extend into the Trump orbit: Donald Trump Jr. serves as a paid adviser to Kalshi and an unpaid adviser to Polymarket, and Truth Social, run by the Trump Media & Technology Group, is planning its own prediction-market venture. The convergence of policymaking, business strategy, and political optics in this space is now very much part of the product’s risk profile.

Beyond the courtroom, observers say the fight is far from over. State gaming regulators have mounted legal challenges against Kalshi and Polymarket in recent months, signaling a broader push to keep prediction markets within a patchwork, state-by-state framework. The 3rd Circuit decision doesn’t settle federal-versus-state authority across all contexts, but it does tilt the balance toward federal preemption for Kalshi-like platforms. In practical terms, traders in New Jersey can continue to access a market that lets them bet on outcomes—from sports results to other events—without a state ban blocking entry, at least for now.

Industry context adds a cautionary undercurrent. Online prediction markets have grown fast, but they’re not without controversy or risk. In one widely discussed pattern, insiders can exploit information asymmetries, and a sizable body of analytics has flagged instances of unusual betting activity linked to geopolitical events. DeFi Oasis data cited in industry chatter show that a tiny slice of accounts can reap outsized profits: fewer than 0.04% of Polymarket accounts captured more than 70% of profits, a total tally in the billions of dollars. That concentration highlights why regulators worry about market integrity, incentives, and the design of listed events—the kinds of concerns that federal rules are supposed to address.

From a consumer-advocate perspective, the ruling is a reminder to read the fine print in any prediction-market arrangement. Even when a state ban isn’t looming, participants should consider who sets the rules, how disputes are resolved, and what happens if a platform’s business model hinges on rapid, cross-border access. Kalshi, Polymarket, and similar ventures are not “set-and-forget” products; they sit at the nexus of fast-moving markets, evolving federal guidance, and high-profile political narratives that affect risk, liquidity, and perception.

Looking ahead, the combination of federal oversight and ongoing state interest means two things for the market: first, further lawsuits or regulatory clarifications could reshape who can offer these products and under what conditions; second, buyers and sellers should expect continued attention from policymakers who see prediction markets as both an opportunity for hedging real-world risk and a potential vehicle for manipulation or outsized political influence. The Kalshi decision is a hinge moment—one that could tilt how easily these platforms scale across state lines, and how visibly politics threads into everyday trading.

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New Jersey has no right to ban Kalshi's prediction market, US appeals court rules